There are quite a number of famous cases where birds in zoos imprint on humans or objects, and then attempt to court/mate with the imprinted object. The brains of birds function very differently from mammals
All chickens are scared of strange humans, but only human-imprinted will easily allow...
I free range my chickens and so I don't want them thinking that humans are chickens. Human-raised chickens will walk directly up to the neighbor's front door. Broody-raised avoid all humans except the ones they know. Similarly only human imprinted roosters have been human aggressive in my...
When chickens imprint on humans they get the two species confused, which creates a lot of issues. The ideal situation is for chickens to hatch and raise other chickens